From: Jingoo Han <jg1.han@samsung.com>
Date: Mon, 29 Apr 2013 23:20:52 +0000 (-0700)
Subject: rtc: rtc-rs5c348: use devm_*() functions
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=8fb1ecb36f7e00d97ea2fea3b8f61be07c19e933;p=linux-edison.git

rtc: rtc-rs5c348: use devm_*() functions

Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
index 72ef10be866..2c37df3586c 100644
--- a/drivers/rtc/rtc-rs5c348.c
+++ b/drivers/rtc/rtc-rs5c348.c
@@ -158,7 +158,8 @@ static int rs5c348_probe(struct spi_device *spi)
 	struct rtc_device *rtc;
 	struct rs5c348_plat_data *pdata;
 
-	pdata = kzalloc(sizeof(struct rs5c348_plat_data), GFP_KERNEL);
+	pdata = devm_kzalloc(&spi->dev, sizeof(struct rs5c348_plat_data),
+				GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
 	spi->dev.platform_data = pdata;
@@ -202,7 +203,7 @@ static int rs5c348_probe(struct spi_device *spi)
 	if (ret & RS5C348_BIT_24H)
 		pdata->rtc_24h = 1;
 
-	rtc = rtc_device_register(rs5c348_driver.driver.name, &spi->dev,
+	rtc = devm_rtc_device_register(&spi->dev, rs5c348_driver.driver.name,
 				  &rs5c348_rtc_ops, THIS_MODULE);
 
 	if (IS_ERR(rtc)) {
@@ -214,18 +215,11 @@ static int rs5c348_probe(struct spi_device *spi)
 
 	return 0;
  kfree_exit:
-	kfree(pdata);
 	return ret;
 }
 
 static int rs5c348_remove(struct spi_device *spi)
 {
-	struct rs5c348_plat_data *pdata = spi->dev.platform_data;
-	struct rtc_device *rtc = pdata->rtc;
-
-	if (rtc)
-		rtc_device_unregister(rtc);
-	kfree(pdata);
 	return 0;
 }